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|Package Weight||23.5 lb|
|Box Dimensions (LxWxH)||22.9 x 15.7 x 5.5"|
|Input Sensitivity||1.3V (+4.5dBu, VRMS @ 4 Ohms)|
|Input Impedance||10 kOhms, Unbalanced10 kOhms, Balanced|
|Frequency Response||10 Hz - 25 kHz, +0/-1dB|
|Signal-to-Noise Ratio||-100dB, unweighted, 20Hz - 20kHz|
|Total Harmonic Distortion (THD)|
|Input Connections||2 x 3-pin XLR, Balanced2 x 1/4" TRS Phone, Balanced2 x RCA Phono, Unbalanced|
|Output Connectors||2 x 1/4" TS Phone(Output 1,2)1 x 1/4" TS Phone(Bridged Mono)4 x Touch-Proof Binding Posts|
|Power Rating||Stereo @ 8 Ohms: 160 WattsStereo @ 4 Ohms: 230 WattsBridged Mono @ 8 Ohms: 500 Watts|
|Controls (Rear)||1 x Stereo/Bridge Mono Switch|
|Indicators||1 x Yellow Protection LED1 x Red Clip LED1 x White Power on LED|
|Power Consumption||6.5A (120VAC, 60 Hz)3.6A(230VAC, 50Hz)|
|Dimensions||19 x 10.8 x 4" (482.6 x 257.5 x 101.6mm)|
|Weight||18.5 lb (8.4 g)|
|Specialties||Convection-cooledLED Bar Metering|
|Controls Front Panel||2 x Rotary Volume Controls1 x Power Switch|
|Damping Factor||Not Specified by Manufacturer|
I was Skeptical about buying an amp with such a low price so I did a lot of online reading before purchasing. I bought the A500 to use in my home studio between my Tascam FW-1884 Digital Board & a set of Infinity Interlude IL10 speakers (Nominal Impedance 8 ohms recommended power amps of 15-150...
Better with higher efficiency speakers/cabs. The police will come to your home if you turn them up too high. Can do a Gym or smaller club to adequate volume. Did I mention that they were clean. If you can deal with cons, they are a great value.
Very clear (hi fi) and powerful in home stereo settings, can be bridged into Sub for clean thumping. These have satisfied me both at home and as an amateur DJ. Have multiple ins (RCA, 1/4", XLR) & outs (Binding posts, 1/4").
Volume controls and output binding posts have given me problems, although I admit I have been kind of rough on them.
Used for power to horn loudspeakers in large room. Works as advertised.
Running two of these in bridged mode. They get a bit warm after awhile but they are powering Martin Logan electrostatic speakers to fantastic levels. So it's nice to know I have plenty of headroom and No Fan Noise.
Key thing: keep the gain knobs at 100%. Somebody else said you get the nasty distortion only in the 50-80% range, I think that's optimistic. At full gain, it's clean, though there's a slight amount of hiss. Can't expect perfection in a power amp this cheap, I guess.
Using this amp in a recording studio,@, for a guitar power amp from a line 6 pedal and it works well. Also as a backup for running monitors for live sound applications. Versatile unit !
Pricing was what sold me on this amp. Period. I was flat broke trying to replace a downed citation 7.1 used for reference in an Avid studio. You know the story. Why this amp among the old bargain amps?
The bad: The gain stage introduces severe distortion. When listening to solo instruments with the volume set 50%-80%, you will clearly hear a buzz distortion. It is most apparent with percussive sine sounds like pianos, bells, etc. I returned my first one, and the replacement had the same issue.
Use to power my outdoor speaker array and it is great!
The passive cooling isn't a con but be aware that you need to make sure it has good airflow, especially if its in a rack.
Currently I have 1 of these running my center channel in my home theater. It sounds great, no hissing. Seems to be very clean. I like the passive cooling so it makes no noise. The multiple inputs make it very flexible. All in all, for the price I think it is nearly unbeatable.
Cheesy looks, I guess?